Benzoic acid (E)-1-(5-benzyloxy-2,4-dimethoxy-3-methyl-phenyl)-2-formylamino-4-phenyl-but-3-enyl ester

Acetic acid (E)-2-[2-benzyloxycarbonylamino-3-(5-benzyloxy-2,4-dimethoxy-3-methyl-phenyl)-propionylamino]-1-(5-benzyloxy-2,4-dimethoxy-3-methyl-phenyl)-4-phenyl-but-3-enyl ester